diff --git a/MECF.Framework.RT.EquipmentLibrary/Devices/IoPSU.cs b/MECF.Framework.RT.EquipmentLibrary/Devices/IoPSU.cs
index 30d131d..d641008 100644
--- a/MECF.Framework.RT.EquipmentLibrary/Devices/IoPSU.cs
+++ b/MECF.Framework.RT.EquipmentLibrary/Devices/IoPSU.cs
@@ -1,165 +1,69 @@
 using Aitex.Core.RT.DataCenter;
-using Aitex.Core.RT.Device;
 using Aitex.Core.RT.Event;
 using Aitex.Core.RT.IOCore;
 using Aitex.Core.RT.Log;
 using Aitex.Core.RT.OperationCenter;
 using Aitex.Core.RT.SCCore;
 using Aitex.Core.Util;
-using MECF.Framework.Common.CommonData.DeviceData;
-using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.Temps.AE;
-using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.Temps;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Xml;
 
 namespace Aitex.Core.RT.Device.Devices
 {
     public class IoPSU : BaseDevice, IDevice
     {
-        public float OutputVoltageFeedBack
-        {
-            get
-            {
-                return _aiOutputVoltage == null ? 0 : (_isFloatAioType ? _aiOutputVoltage.FloatValue : _aiOutputVoltage.Value);
-            }
-        }
+        #region Variables
 
-        public float OutputArmsFeedBack
-        {
-            get
-            {
-                return _aiOutputArms == null ? 0 : (_isFloatAioType ? _aiOutputArms.FloatValue : _aiOutputArms.Value);
-            }
-        }
-
-        public double Resistance
-        {
-            get
-            {
-                return OutputArmsFeedBack == 0 ? 0 : ((int)(OutputVoltageFeedBack / OutputArmsFeedBack * 1000)) / 1000.0;
-            }
-        }
-
-        public float OutputPowerFeedBack
-        {
-            get
-            {
-                return _aiOutputPower == null ? 0 : (_isFloatAioType ? _aiOutputPower.FloatValue : _aiOutputPower.Value);
-            }
-        }
-
-        public bool StatusFeedBack
-        {
-            get
-            {
-                return _diStatus == null ? false : _diStatus.Value;
-            }
-        }
-
-        public float SimVoltageFeedBack
-        {
-            get
-            {
-                return _aiSimVoltage == null ? 0 : (_isFloatAioType ? _aiSimVoltage.FloatValue : _aiSimVoltage.Value);
-            }
-        }
-
-        public float SimArmsFeedBack
-        {
-            get
-            {
-                return _aiSimArms == null ? 0 : (_isFloatAioType ? _aiSimArms.FloatValue : _aiSimArms.Value);
-            }
-        }
-
-        public bool AlarmFeedBack
-        {
-            get
-            {
-                return _diAlarm == null ? false : _diAlarm.Value;
-            }
-        }
-
-
-        public float ConstantSetPoint
-        {
-            get
-            {
-                return _aoConstant == null ? 0 : (_isFloatAioType ? _aoConstant.FloatValue : _aoConstant.Value);
-            }
-            set
-            {
-                if (_isFloatAioType)
-                {
-                    _aoConstant.FloatValue = value;
-                }
-                else
-                {
-                    _aoConstant.Value = (short)value;
-                }
-            }
-        }
-
-        public bool AllHeatEnable
-        {
-            get
-            {
-                return _diHeatEnable == null ? false : _diHeatEnable.Value;
-            }
-        }
-
-
-
-        private bool _isFloatAioType = false;
-        private AIAccessor _aiOutputVoltage = null;
-        private AIAccessor _aiOutputArms = null;
-        private AIAccessor _aiOutputPower = null;
-        private AIAccessor _aiSimVoltage = null;
-        private AIAccessor _aiSimArms = null;
+        private readonly bool _isFloatAioType;
+        private readonly AIAccessor _aiOutputVoltage;
+        private readonly AIAccessor _aiOutputArms;
+        private readonly AIAccessor _aiOutputPower;
+        private readonly AIAccessor _aiSimVoltage;
+        private readonly AIAccessor _aiSimArms;
 
         //private AOAccessor _aoEnable = null;
         //private AOAccessor _aoReset = null;
-        private AOAccessor _aoConstant = null;
+        private readonly AOAccessor _aoConstant;
 
-        private DIAccessor _diStatus = null;
-        private DIAccessor _diAlarm = null;
-        private DIAccessor _diHeatEnable = null;
-        private DIAccessor _diCommunicationError = null;
+        private readonly DIAccessor _diStatus;
+        private readonly DIAccessor _diAlarm;
+        private readonly DIAccessor _diHeatEnable;
+        private DIAccessor _diCommunicationError;
 
-        private DOAccessor _doReset;
-        private DOAccessor _doStatus;
-        private DOAccessor _doHeatEnable;
-        private DOAccessor _doRelatedEnable; //每个Enable同时关联的Inner，Middle，Out Enable
+        private readonly DOAccessor _doReset;
+        private readonly DOAccessor _doStatus;
+        private readonly DOAccessor _doHeatEnable;
+        private readonly DOAccessor _doRelatedEnable; //每个Enable同时关联的Inner，Middle，Out Enable
 
         private string _infoText = "";
         private string _commInfoText = "";
 
-        private R_TRIG _alarmTrig = new R_TRIG();
-        private R_TRIG _commAlarmTrig = new R_TRIG();
-        private R_TRIG _enableTrig = new R_TRIG();
-        private R_TRIG _enableTrig2 = new R_TRIG();
+        private readonly R_TRIG _alarmTrig = new();
+        private readonly R_TRIG _commAlarmTrig = new();
+        private readonly R_TRIG _enableTrig = new();
+        private readonly R_TRIG _enableTrig2 = new();
 
-        private R_TRIG _trigVoltage = new R_TRIG();
-        private R_TRIG _trigCurrent = new R_TRIG();
+        private readonly R_TRIG _trigVoltage = new();
+        private readonly R_TRIG _trigCurrent = new();
 
-        private R_TRIG _trigResistance = new R_TRIG();
+        private readonly R_TRIG _trigResistance = new();
 
-        private DeviceTimer _timer = new DeviceTimer();
-        private DeviceTimer _timerResistance = new DeviceTimer();
+        private readonly DeviceTimer _timer = new();
+        private readonly DeviceTimer _timerResistance = new();
 
         public Func<bool, bool> FuncCheckInterLock;
 
+        #endregion
+
+        #region Constructors
+
         public IoPSU(string module, XmlElement node, string ioModule = "")
         {
             var attrModule = node.GetAttribute("module");
-            base.Module = string.IsNullOrEmpty(attrModule) ? module : attrModule;
-            base.Name = node.GetAttribute("id");
-            base.Display = node.GetAttribute("display");
-            base.DeviceID = node.GetAttribute("schematicId");
+            Module = string.IsNullOrEmpty(attrModule) ? module : attrModule;
+            Name = node.GetAttribute("id");
+            Display = node.GetAttribute("display");
+            DeviceID = node.GetAttribute("schematicId");
 
             _aiOutputVoltage = ParseAiNode("aiOutputVoltage", node, ioModule);
             _aiOutputArms = ParseAiNode("aiOutputArms", node, ioModule);
@@ -182,10 +86,53 @@ namespace Aitex.Core.RT.Device.Devices
 
             _isFloatAioType = !string.IsNullOrEmpty(node.GetAttribute("aioType")) && (node.GetAttribute("aioType") == "float");
 
-            
+
         }
 
-        string reason = string.Empty;
+        #endregion
+
+        #region Properties
+
+        public float OutputVoltageFeedBack => _aiOutputVoltage == null ? 0 : (_isFloatAioType ? _aiOutputVoltage.FloatValue : _aiOutputVoltage.Value);
+
+        public float OutputArmsFeedBack => _aiOutputArms == null ? 0 : (_isFloatAioType ? _aiOutputArms.FloatValue : _aiOutputArms.Value);
+
+        public double Resistance => OutputArmsFeedBack == 0 ? 0 : ((int)(OutputVoltageFeedBack / OutputArmsFeedBack * 1000)) / 1000.0;
+
+        public float OutputPowerFeedBack => _aiOutputPower == null ? 0 : (_isFloatAioType ? _aiOutputPower.FloatValue : _aiOutputPower.Value);
+
+        public bool StatusFeedBack => _diStatus?.Value ?? false;
+
+        public float SimVoltageFeedBack => _aiSimVoltage == null ? 0 : (_isFloatAioType ? _aiSimVoltage.FloatValue : _aiSimVoltage.Value);
+
+        public float SimArmsFeedBack => _aiSimArms == null ? 0 : (_isFloatAioType ? _aiSimArms.FloatValue : _aiSimArms.Value);
+
+        public bool AlarmFeedBack => _diAlarm?.Value ?? false;
+
+
+        public float ConstantSetPoint
+        {
+            get => _aoConstant == null ? 0 : (_isFloatAioType ? _aoConstant.FloatValue : _aoConstant.Value);
+            set
+            {
+                if (_isFloatAioType)
+                {
+                    _aoConstant.FloatValue = value;
+                }
+                else
+                {
+                    _aoConstant.Value = (short)value;
+                }
+            }
+        }
+
+        public bool AllHeatEnable => _diHeatEnable?.Value ?? false;
+
+        #endregion
+
+        #region Methods
+
+
         public bool Initialize()
         {
             DATA.Subscribe($"{Module}.{Name}.OutputVoltageFeedBack", () => OutputVoltageFeedBack);
@@ -201,22 +148,22 @@ namespace Aitex.Core.RT.Device.Devices
 
             OP.Subscribe($"{Module}.{Name}.SetHeadHeaterEnable", (function, args) =>
             {
-                bool isTrue = Convert.ToBoolean(args[0]);
-                SetHeadHeaterEnable(isTrue, out reason);
+                var isTrue = Convert.ToBoolean(args[0]);
+                SetHeadHeaterEnable(isTrue, out _);
                 return true;
             });
 
 
             OP.Subscribe($"{Module}.{Name}.SetPSUEnable", (function, args) =>
             {
-                bool isTrue = Convert.ToBoolean(args[0]);
-                SetPSUEnable(isTrue, out reason);
+                var isTrue = Convert.ToBoolean(args[0]);
+                SetPSUEnable(isTrue, out _);
                 return true;
             });
             OP.Subscribe($"{Module}.{Name}.SetPSUReset", (function, args) =>
             {
-                bool isTrue = Convert.ToBoolean(args[0]);
-                SetPSUReset(isTrue, out reason);
+                var isTrue = Convert.ToBoolean(args[0]);
+                SetPSUReset(isTrue, out _);
                 return true;
             });
 
@@ -225,8 +172,6 @@ namespace Aitex.Core.RT.Device.Devices
 
         public bool SetPSUEnable(bool setValue, out string reason)
         {
-            reason = "";
-
             if (!_doStatus.Check(setValue, out reason))
             {
                 EV.PostWarningLog(Module, reason);
@@ -279,8 +224,6 @@ namespace Aitex.Core.RT.Device.Devices
 
         public bool SetPSUReset(bool setValue, out string reason)
         {
-            reason = "";
-
             if (!_doReset.Check(setValue, out reason))
             {
                 EV.PostWarningLog(Module, reason);
@@ -304,7 +247,7 @@ namespace Aitex.Core.RT.Device.Devices
         {
         }
 
-        public void Monitor()
+        protected override void HandleMonitor()
         {
             try
             {
@@ -342,8 +285,8 @@ namespace Aitex.Core.RT.Device.Devices
         private void MonitorAlarm()
         {
             //检查电阻值是否在合理范围
-            double dbResistorMax = SC.GetValue<double>($"PM.{Module}.Heater.{Name}ResistanceMax");
-            int timeOut = SC.GetValue<int>($"PM.{Module}.Heater.ResistanceCheckTimeOut");
+            var dbResistorMax = SC.GetValue<double>($"PM.{Module}.Heater.{Name}ResistanceMax");
+            var timeOut = SC.GetValue<int>($"PM.{Module}.Heater.ResistanceCheckTimeOut");
 
             if (Resistance > dbResistorMax && _timerResistance.IsIdle())
             {
@@ -364,7 +307,7 @@ namespace Aitex.Core.RT.Device.Devices
 
         private void MonitorEnableTimer()
         {
-            if (base.Name == "PSU2")
+            if (Name == "PSU2")
             {
                 _enableTrig.CLK = !_diHeatEnable.Value;
                 if (_enableTrig.Q)
@@ -383,7 +326,7 @@ namespace Aitex.Core.RT.Device.Devices
         {
             get
             {
-                object temp=new object();
+                var temp=new object();
                 if (SC.GetConfigItem("AETemp.EnableDevice").BoolValue)
                 {
                     temp = DATA.Poll($"{Module}.AETemp.Middle");
@@ -398,5 +341,6 @@ namespace Aitex.Core.RT.Device.Devices
             }
         }
 
+        #endregion
     }
 }